After a juvenile is arrested the judge looks over the case to decide if there is enough evidence to charge the person with a crime or if the child should be released. This is known as a

Adjudicatory hearing

Explanation:

Adjudicatory hearing is the procedure in primarily juvenile case handling wherein judge hears the case of juvenile and then makes a decision if the juvenile of guilty of crime or not based on the hearing and seeing all the relevant evidences. It is same as criminal trial but with person under the age of 18. Here hearing is done under judge only unlike criminal justice system where hearing is done under both judge and jury.

C) Probable Cause